18693750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 46778256

約数和(自身を除く): 28084506

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 997, 1250, 1875, 1994, 2991, 3125, 3750, 4985, 5982, 6250, 9375, 9970, 14955, 18750, 24925, 29910, 49850, 74775, 124625, 149550, 249250, 373875, 623125, 747750, 1246250, 1869375, 3115625, 3738750, 6231250, 9346875, 18693750]

約数ペア:

[(1, 18693750), (2, 9346875), (3, 6231250), (5, 3738750), (6, 3115625), (10, 1869375), (15, 1246250), (25, 747750), (30, 623125), (50, 373875), (75, 249250), (125, 149550), (150, 124625), (250, 74775), (375, 49850), (625, 29910), (750, 24925), (997, 18750), (1250, 14955), (1875, 9970), (1994, 9375), (2991, 6250), (3125, 5982), (3750, 4985)]